🟢 Low ⏱ 5–15 min Last verified: 28 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: zhcon — unauthorized file access Related CVEs: CVE-2005-0072 Upstream summary: Martin Joey Schulze reports: Erik Sjöund discovered that zhcon, a fast console CJK system using the Linux framebuffer, accesses a […]
Introduction to DNSSEC on Windows Server 2019 DNSSEC (Domain Name System Security Extensions) adds cryptographic signatures to DNS records, allowing resolvers to verify that responses are authentic and have not been tampered with in transit. Without DNSSEC, a resolver has no way to distinguish a legitimate DNS response from a forged one injected by a […]
🟡 Medium ⏱ 10–30 min Last verified: 28 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: oniguruma — multiple vulnerabilities Related CVEs: CVE-2017-9224 CVE-2017-9226 CVE-2017-9227 CVE-2017-9228 Upstream summary: the PHP project reports: A stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error […]
🟠 High ⏱ 15–60 min Last verified: 28 December 2019 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2015:1019-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-1396 CVE-2019-13636 CVE-2010-4651 CVE-2015-1196 CVE-2016-10713 CVE-2018-1000156 CVE-2019-20633 CVE-2018-6952 +2 more Upstream summary: A Directory Traversal vulnerability exists in the GNU patch before 2.7.4. A remote […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201711-26 Related CVEs: CVE-2017-14952 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 59.1-1. Fixed in: 60.1-1. Group: AVG-507. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Introduction to RADIUS Proxy A RADIUS proxy receives authentication requests from RADIUS clients (VPN servers, wireless APs, switches) and forwards them to remote RADIUS servers based on configurable rules. Windows Server 2019 with the Network Policy Server (NPS) role can function as a RADIUS proxy in addition to—or instead of—acting as a full RADIUS server. […]
🟠 High ⏱ 15–60 min Last verified: 28 December 2019 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-12674 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan […]
🟡 Medium ⏱ 5–30 min Last verified: 27 December 2019 Affected versions: Debian 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
Introduction to SMB File Shares and NTFS Permissions on Windows Server 2019 SMB (Server Message Block) file sharing is the foundation of Windows file services. Windows Server 2019 uses SMB 3.1.1 — the latest protocol version — which includes AES-128-GCM encryption, pre-authentication integrity checking, and improved performance. Combined with NTFS permissions (the access control system […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2016-5598 Upstream summary: Unspecified vulnerability in the MySQL Connector component 2.1.3 and earlier and 2.0.4 and earlier in Oracle MySQL allows remote attackers to affect […]
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